In several hours on Tuesday, Dr. Ashley Bray performed chest compressions at Elmhurst Hospital Center on a woman in her 80s, a man in his 60s and a 38-year-old who reminded the doctor of her fiancé. All had tested positive for the…

Three months ago, no one knew that SARS-CoV-2 existed. Now the virus has spread to almost every country, infecting at least 446,000 people whom we know about, and many more whom we do not. It has crashed economies and broken health-care systems…

Note: “Social distancing” also includes a reduction in large gatherings; some school closures and working from home; and efforts to support hospitals and diagnostic testing. Based on a simulation between January and late October using…

Matthew Morrison is a thirty-six-year-old E.R. doctor at BronxCare, a hospital in the South Bronx, which has a large Dominican population. He speaks “medical Spanish,” he told me. “ Fiebre. Dolor. Náusea. Vómito.

Trump's daily pandemic briefings have devolved into an “open-mic night” full of “misinformation,” cable staffers said, as networks weigh how much of the events they must air. The nation's television news outlets…